20284025

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:401

約数の個数: 24

約数和(自身を含む): 26200704

約数和(自身を除く): 5916679

約数列:

[1, 5, 25, 47, 61, 235, 283, 305, 1175, 1415, 1525, 2867, 7075, 13301, 14335, 17263, 66505, 71675, 86315, 332525, 431575, 811361, 4056805, 20284025]

約数ペア:

[(1, 20284025), (5, 4056805), (25, 811361), (47, 431575), (61, 332525), (235, 86315), (283, 71675), (305, 66505), (1175, 17263), (1415, 14335), (1525, 13301), (2867, 7075)]